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《Journal of Wuhan University(Natural Science Edition)》 2015-01
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Enhanced Photocatalytic Efficiency of TiO_2-SiO_2-Ag Nanocomposites Induced by Localized Surface Plasmonic Effect

XU Jinxia;LI Shan;ZHOU Yuanming;MEI Fei;LIU Lingyun;School of Electrical and Electronic Engineering,Hubei University of Technology;Hubei Collaborative Innovation Center for High-Efficient of Solar Energy,Hubei University of Technology;  
TiO2-SiO2-Ag nanocomposites were fabricated by depositing TiO2 films on SiO2 layer embedded with Ag nanoparticles by means of magnetron sputtering and then subsequent rapid thermal annealing(RTA),and investigated by UV-vis-NIR dual-beam spectrometer,Raman spectrum,scanning electron microscopy(SEM)and the photocatalytic efficiency.The nanocomposites show higher photocatalytic efficiency compared with the pure TiO2 film due to enhancement of light absorption.The enhanced light absorption originated from the near-field enhancement caused by the plasmonic effect of Ag nanoparticles.The enhancement of the photocatalytic efficiency of TiO2 could be adjusted by changing the thickness of the SiO2 protective layer from 0to 20 nm to control the surface plasmonic effect of Ag nanopaticles.
【Fund】: 国家自然科学基金(11305056);; 湖北省自然科学基金(2013CFB028);; 湖北省教育厅科学研究计划(Q20131404)资助项目
【CateGory Index】: O484.41
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【Co-citations】
Chinese Journal Full-text Database 5 Hits
1 LI Zong-bao;WANG Xia;Department of Physics and Electronic Science &Institute of Solid Materials and Components, Tongren University;Department of Biology Science and Chemistry,Tongren University;;The adsorptions of N_2O and CO_2 on Fe+N/TiO_2(101) surface:a theoretical study based on DFT calculation[J];Journal of Northeast Normal University(Natural Science Edition);2014-02
2 LI Zongbao;WANG Xia;YANG Weiqiang;Department of Physics and Electronic Science & Institute of Solid Materials and Components,Tongren University;Department of Biology Science and Chemistry,Tongren University;Environmental protection agency,Yuping County;;Incorporation of Iron Impurities at the Anatase TiO_2(001) Surfaces:A DFT study[J];Journal of Bijie University;2014-08
3 LI Zong-Bao;JIA Li-Chao;WANG Xia;WANG Liang-Jie;Tongren University,Department of Physics & Electronic Science;School of Materials Science and Engineering,State Key Lab of Material Processing and Die & Mould Technology,Huazhong University of Science and Technology;Tongren University,Department of Biology & Chemistry;;Density function theory on the electronic structure property of anatase TiO_2 doped by N or C with different percents[J];Journal of Engineering of Heilongjiang University;2014-01
4 LI Zong-Bao;WANG Xia;YANG Wei-Qiang;Department of Physics and Electronic Science &Institute of Solid Materials and Components,Tongren University;Department of Biology Science and Chemistry,Tongren University;Environmental protection agency;;Incorporation of the co-doped N and Fe at the Anatase TiO_2(001)Surfaces:A DFT study[J];Journal of Sichuan University(Natural Science Edition);2014-04
5 Li Zong-Bao;Wang Xia;Jia Li-Chao;Department of Physics and Electronic Science,Institute of Solid Materials and Components,Tongren University;Key Laboratory of New Material Manufacture and Application,Department of Education of Guizhou Province,Tongren University;Department of Biology Science and Chemistry,Tongren University;State Key Laboratory of Material Processing and Die and Mould Technology,School of Materials Science and Engineering,Huazhong University of Science and Technology;;Synergistic effects in Fe/N codoped anatase TiO_2 (101)surface: a theoretical study based on density functional theory calculation[J];Acta Physica Sinica;2013-20
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